 Bobby is furious when his grandmother Kathy Sullivan (Gillian Taylforth) returns to Walford and Ian and Jane decide to move her into Bobby's bedroom and move Bobby into Lucy's old bedroom.Jane catches Bobby trying to swap the rooms back in secret, and a physical scuffle ensues, which results in Bobby pushing Jane down the stairs.After she regains consciousness, Kathy arrives and Jane lies that she tripped and fell when helping Bobby move the last items from his bedroom.