Mondays are seriously bad days for Megan, owner of a travel agency in Chicago. She witnesses a murder and recognizes the man fleeing the scene. She's threatened and firebombed by the main suspect, attacked in Amsterdam, and dumped by Matthew, the Homicide Detective she has fallen in love with - all on Mondays one spring. Her quirky friends; Bertie, Yoo Hoo, and Steve, save her life in the riveting unfolding of the rest of the murder investigation. Meanwhile Megan and Matthew must come to terms with their true feelings for each other as the case wraps up.