Sanaa Lathan's character, Kenya, is the daughter of Alfre Woodard's character. They share the same relationship in Love & Basketball (2000) and also in The Family That Preys (2008).
When Kenya and Mark are driving back to his house after dinner with her family, the front of Mark's car doesn't show a license plate but when the car is pulling into the driveway a license plate appears.
In the back of Brian's truck on his way to Kenya's house is a bag of dirt. When she gets in and they head to the Community garden it's replaced by a tray of flowers.