Kellin has led a miserable life, his Mother disappeared when he was little, his dad uses him as a punching bag, his self esteem is so low his most constant thoughts are of suicide and self harm. Vic has led an amazing life, his parents are rich and doting, his whole school fears and worships him, his girlfriend is the hottest girl in school. When their lives collide in a San Diego high school everything gets turned around. Read along to the drama and friendships and heartbreak found in Claremont high as Alex, Jack, Kellin, Tay, Alan, Sarah, Jaime, Tony, Mike, Vic, Oli, Andy, and Demi figure out there lives as the year goes on. Watch as they all keep Hidden Behind a Smile.