The Amazing Mr. Blunden

Mr. Blunden (the solicitor in 1918) recruited the Allen family to live at Langley Park because he needed their help to change history. The present Mr. Blunden is the great-grandson of the original Blunden who died in the 1818 fire. By bringing Lucy and Jamie to the house, he created the opportunity for them to travel back and save the original Blunden from his guilt and torment, effectively offering the family as helpers to resolve the unresolved tragedy of a century ago.

Earlier, the solicitor mentions that the portrait shows a man who has been dead for a hundred years, hinting at the family's connection to the past.

Sara and Georgie were orphans under the care of their dissolute Uncle Bertie, who married a woman named Bella Wickens. Bella and her husband, along with Bella's parents who became the housekeeper and gamekeeper, plotted to kill the children to seize Georgie's inheritance. The Wickens set fire to the library with the children locked inside, intending to murder them for their money.

Before traveling back, Sara explains that she fears for her life because of her uncle and his new wife, warning Lucy and Jamie that someone means to harm them.

The children discovered a book containing instructions for time travel, which contained a magical potion. When Lucy and Jamie drank it together with Sara and Georgie, they were transported back to 1818, the exact date of the fire. The potion required all four children to take it simultaneously, and it sent them back approximately one hundred years to the night of the tragedy they needed to prevent.

The gravestone reveal that the fire happened exactly one hundred years ago tomorrow confirms that the time window is specifically tied to the anniversary.

The 1818 Mr. Blunden (the original) chose to save the children despite knowing it would cost him his life. When Jamie tried to rescue Georgie but couldn't reach him through the flames, Mr. Blunden appeared and took Jamie's hand, promising they would go together. He bore the pain that Jamie would have suffered, allowing the boy to be sheltered from the worst of the fire while Blunden perished. His sacrifice was motivated by guilt, he had refused to help Sara when she begged him for assistance earlier that night, and by a desire to finally do right by the children he failed.

Earlier that evening, Mr. Blunden visited Langley Park but refused to listen to Sara's pleas for help, a decision he clearly regretted.

The Wickens, both Mr. Wickens, who started the fire, and Bella Wickens, perished in the flames they had set to kill the children. Their greedy scheme to murder Sara and Georgie for their inheritance backfired completely, and they died in the very fire they had plotted to use as murder weapon.

Before the fire, the children discover the Wickens' plot to harm them for the inheritance, establishing their villainous intent.

When Lucy returns to 1918 after altering the past, she discovers that the gravestone bearing Sara and Georgie's names has been replaced with a new memorial for Frederick Percival Blunden. This change occurred because the original tragedy was averted, Blunden saved the children rather than failing them. The new gravestone reads that he was the 'Good Shepherd' who 'died to save the children in his care,' reflecting his heroic sacrifice in the altered timeline.

Jamie finds the original gravestone before traveling back, confirming the children's fates were tied to the anniversary.

After the timeline was altered, Mr. Clutterbuck presented documents showing that Sara Latimer married Thomas Mortimer (the gardener) in 1818. Their great-grandson was the late Mr. Allen, making Jamie, their son, the rightful heir to the Langley Park estate. This revelation explains why the Allen family was specifically brought to the house: they were already connected to the estate through marriage a century earlier.

In 1818, Thomas Mortimer expresses his dream of going to America and making his fortune, hinting at his future with Sara.

At the film's end, a car arrives and Mr. Clutterbuck opens the door to reveal Mr. Blunden sitting inside, the same Mr. Blunden who had died in 1818. This suggests that by altering the past, the original Mr. Blunden was somehow revived or returned. The line 'We three kings of Orient are' is recalled, hinting at either a supernatural return or that the present Mr. Blunden and his ancestor are somehow the same person across time.

Mr. Blunden promises the children that if they help, no harm will come to them, suggesting his fate would be changed.

Mr. Blunden confesses that he has endured torment for over a century because of the events of that night. His torment stemmed from his guilt, he had refused to help Sara when she pleaded for assistance earlier that evening, and as a result, the children died in the fire. This refusal to act condemned him to a century of spiritual suffering until the timeline could be corrected through Lucy and Jamie's intervention.

When Sara first appears as a ghost, she mentions that she and Georgie are stuck at Langley Park because they died there, but doesn't explain Blunden's specific connection.

The children needed to travel exactly one hundred years because the fire that killed Sara and Georgie occurred on the hundred-year anniversary of that date. When Jamie found the gravestone, the sexton explained that the two children died in a fire on that anniversary, one hundred years ago tomorrow. This meant the only window to prevent the tragedy was during that specific night in 1818, when the fire was set.

The gravestone discovery is the key moment that reveals the timing and urgency of their mission.

Uncle Bertie married Bella Wickens as part of a scheme to gain control of young Georgie's inheritance. Bella was a music-hall performer with questionable character, and her parents moved into Langley Park as housekeeper and game keeper. Together, the Wickens family plotted to eliminate Sara and Georgie so they could claim the children's fortune.

Sara warns Lucy and Jamie that her uncle is 'not a nice man' and that she fears for her life, establishing his villainous role.

When Lucy and Jamie returned to 1918, several things had changed: Jamie was unconscious and couldn't tell their mother what happened, but most notably, the gravestone in the cemetery had transformed. Instead of bearing Sara and Georgie's names (marking their death), it now honored Frederick Percival Blunden as a heroic figure who died saving the children. Additionally, the inheritance situation was resolved, with Jamie becoming the rightful heir through the newly discovered documents about Sara's marriage to Thomas.

The moment before they travel back, Sara and Georgie express hope that things will be different this time.

When Lucy and Jamie returned to 1918 from 1818, Jamie was unconscious and remained so for some time. Lucy was left struggling to explain to their mother what had occurred, partly because the events were so extraordinary and partly because Jamie, the one who had been most directly involved in the rescue, couldn't corroborate her story. The trauma of the experience and the altered state of the present combined to make coherent explanation impossible.

The potion journey takes a physical toll, with Jamie being particularly affected by the rescue effort in the fire.

Thomas Mortimer, the gardener at Langley Park in 1818, dreamed of going to America to make his fortune. He tells Lucy and Jamie, who he mistakes for being from America, that he wants to seek his fortune there. This dream is significant because it explains his later marriage to Sara Latimer (they eventually married and had descendants, making Jamie the heir) and provides motivation for his character in the past timeline.

Thomas expresses his ambition to go to America early in the 1818 sequences, establishing his future path.