 Brash young Coast Guardsman Mike O Shay and much-decorated CPO  Medals  Malone hate each other even before they meet, and their enmity isn t helped by O Shay s attraction to Doris, Medals  daughter. Medals has plans for Doris to marry officer s candidate Steve, and does everything he can to keep Mike and Doris apart. When Steve is seriously injured on an iceberg demolition assignment because Malone and O Shay are fighting, courts martial are in order. Malone swears he ll say anything to get O Shay drummed out of the service, but whose story will the officers believe?