Smuggler’s Cove

While cleaning offices in a New York City highrise, Slip opens a letter addressed to him and discovers it is meant for him. The letter claims a wealthy uncle on Long Island has left him a fortune and orders him to Mahoney Manor immediately. This sets Slip on a journey away from his ordinary routine toward a new inheritance plot.

Believing the letter is meant for him, Slip gathers his gang and travels to Long Island to claim the supposed inheritance. They arrive at Mahoney Manor expecting a fortune and a straightforward reception. Tension builds as they near the house that will reveal whether the letter was genuine.

Upon arrival, Slip hears a gunshot and proceeds into the house. He meets Digger, the caretaker, who is actually a goon for Count Boris Petrov and is running the illegal business from the manor. The stage is set for Petrov’s intimidation to begin.

The next day, Slip and his gang discover a hidden passage behind the fireplace that leads to a concealed room. Their curiosity uncovers a new space used in the smuggling scheme. The discovery escalates the conflict with Petrov.

Petrov locks the hidden door from the outside, trapping Slip and his friends in the secret basement chamber. The boys must figure out a way to escape while the criminals continue their operation above. The manor becomes a battleground between the teenagers and the gangsters.

The other Terence Mahoney arrives at the manor with his daughter Teresa, tired of waiting for the letter. They settle in at the house, unaware of the danger around them. Petrov continues his efforts to frighten them away.

Gabe, a pursuing reporter, arrives at the manor and encounters the other Terence asleep in his bed at night. He notes Morse code signals across the bay and grows suspicious of Digger’s dealings. He also witnesses Digger escorting a woman and a captain up to the manor.

Gabe frees Slip’s gang from the basement and reveals his discovery of a smuggling operation anchored at the manor. He also reveals his suspicion that Mahoney might be the smuggler boss, complicating the situation. The group now has a new ally and a clearer target.

The gang confronts the apparent owner, but through the confrontation they learn Slip is the rightful heir to Mahoney Manor. They realize they had mistaken him for the smuggler and adjust their course accordingly. The belief in a traitor dissolves into trust.

With Gabe’s help, Slip and the gang devise a plan to capture the real criminals and take back the diamond. They coordinate methods to disrupt the smuggling and retrieve the loot without tipping off the authorities. The manor becomes a hub of planning and risk.

The group moves to execute their plan, pursuing the criminals through the manor and its grounds. They succeed in disrupting the operation, freeing any remaining victims, and reclaiming the diamond. The criminals are driven off and the stash is recovered.

With the operation dismantled, the true status of Slip as heir is confirmed and recognized. The criminals are exposed, and Digger’s connection to Petrov is severed. The manor is no longer a front for illegal activity.

In the end, the weary path to wealth gives way to a quiet future as Slip is left in control of Mahoney Manor. The country life appeals less to him, but he officially inherits the estate and becomes its custodian. Peace returns to the manor as Slip begins his new role.