S1, E6: With Fiona putting in extra hours at work, Marcus finally gets his own house key, but he quickly loses his mom's trust when Will has to rush him to the emergency room following an untimely incident with a knife. However, Marcus' misfortune has a silver lining for Will when he crosses paths with Dr. Samantha Lake, a beautiful and charming doctor who comes to Marcus' aid. Will is instantly smitten and stops at nothing in his attempts to win her over - even if it means bending the truth.