Sydney and Kennedy are sisters and best friends who are attached at the hip. When Sydney overhears Mommy tell Daddy that the sock monster got their socks again, adventure ensues! The fearless little sister hatches a plan to catch the mysterious sock monster and convinces her big sister to come along for the ride! It's a fun story about mischievous little monster with a penchant for socks but also about sisterhood and how these sisters band together to solve problems.