Based on

Movies like Moby-Dick (1975)

In 1841 young Ishmael signs aboard the whaling ship Pequod, under the command of the strict, one-legged Capt. Ahab. Ishmael soon finds out that Ahab is searching for the legendary white whale, Moby Dick, who cost Ahab his leg, and he will let nothing stand in the way of getting his revenge on the beast.