Abstract: A truck bed cover system includes a rail system configured to mount to a truck bed. The rail system has a front rail, a left rail secured to a left end of the front rail, and a right rail secured to a right end of the front rail. The truck bed cover system also includes a plurality of hinges secured to the rail system with at least two hinges of the plurality of hinges secured to each of the front rail, the left rail, and the right rail. Further, the truck bed cover system includes a plurality of rotary latches secured to corresponding hinges of the plurality of hinges and a cover portion secured to each rotary latch. The truck bed cover system further includes an actuation assembly having respective actuators configured to detach selected rotary latches such that the cover hinges from either the left rail, the right rail, or the front rail.