 When Gabrielle s estranged, gold-digging mother, Lucia, arrives for a visit and announces she has broken up with her super-rich partner. Lucia offers to become the surrogate mother now Gabrielle is diagnosed infertile because of her recent miscarriage, but only Carlos wants to accept. After Lynette fires Mrs. McClusky who Tom got to babysit her four kids, she drops them off unannounced with Bree. But Bree s escalating depression has got her drinking heavily despite the interaction with her allergy medicine. While Paul Young ignores Zach s questions about his family, the boy finally learns that Mike is his biological father when he overhears Mike s warning to Paul that the dying Noah Taylor has put a price on Paul s head and the hit man, the corrupt Detective Sullivan, is on his way to kill Paul. Also, Susan and Karl persist in their fake marriage to pay for her operation, but his real fiancée Edie finds the ring.