Maxine resists Gillian's home grown cardiac rehabilitation program; Lauren tells Amy that she wants to live with Michael; when Vincent comes to Sean looking for work, Sean refers him to Crystal Turner, who runs a outreach program for homeless teenagers; David quits his job and takes off for the Caribbean on his sailboat; Amy must decide whether a depressed woman with multiple sclerosis is well enough to care for her ten year old son; Vincent offers to tutor a homeless teenager studying for his G.E.D., but when he tries to get the boy off the street and into a group home, the boy disappears.