Charles O. Rush

Gambler "On-the Level" Leigh (William S. Hart) is forced to leave his high rolling lifestyle to move his ailing sister Alice (Mildred Harris) to the healing climate the mountains. Financial strain compels him to resume his favored vocation. Unfortunately for Level, the dance hall girl Coralie (Alma Rubens) doesn't take rejection well and convinces the dealer to clean him out with a "cold deck". A desperate robbery ensues, leading to Level wanted for murder!

A gambler decides to play one last game before he turns over a new leaf. However, during the game one of the players accuses him of cheating. Suddenly the lights go out, shots are fired and when the lights come back on, one of the players is dead. The gambler is accused of the killing. He didn't do it, but has to find out who did, and why he was framed for it.