Whaling Captain John Nelson arrives home after a long voyage and is shocked to discover that his wife has run off with another man. He returns to his ship a bitter man, known and feared on the seven seas as "the Sea Lion." Blossom, a young girl who has been marooned for 16 years is discovered on a remote island and brought aboard. She reveals shocking secrets from Nelson's past that will turn his entire world upside down.
Hobart Bosworth was a top star of the early years of Hollywood. He formed his own company, Hobart Bosworth Productions, to film a series of Jack London stories beginning in 1913 with The Sea Wolf which he directed and also starred in as the notorious Captain Wolf Larson. Thirty-one films were produced, ending with The Sea Lion in 1921. Leading lady Bessie Love (1898-1986) starred in the silent version of The Lost World (1925) and earned an Oscar nomination as Best Actress for The Broadway Melody (1929). Her successful career continued almost to the end of her life and earned her a star on the Hollywood Walk of Fame.