New England, USA. Marilyn Vine's life is devastated by the accidental death of her much loved only son Dale during his 15th birthday celebrations. Dublin, Ireland. Ria Lynch's (Olivia Williams) marriage comes to a stunningly abrupt end when husband Danny (Iain Glen) reveals that he is leaving her for his pregnant mistress, Bernadette (Heike Makatsch). An accidental phone calls brings these two otherwise unrelated women together and, in their mutual need for space and time alone, they agree to a two-month house exchange. In swapping homes, both women slowly find healing and strength through new surroundings and the kindness of others, gradually learning to accept the reality of their changed lives.