Release, runtime and language

1989 · 90 mins · Italian

#6,455 7

Directed by

Umberto Lenzi

Starring

Barbara Cupisti, Pietro Genuardi, Paul Müller, Gaetano Russo, Giacomo Rossi Stuart, Lorenzo Majnoni

During a groundbreaking scientific experiment, a lone researcher endures an unprecedented period isolated deep inside a vertical shaft. With just an hour left before his scheduled ascent, a critical failure occurs, forcing the support crew to descend into the perilous tunnel to mount a frantic rescue before it’s too late.