When the elderly and frail Rósa struggles with her overgrown garden she decides to write her incarcerated son a letter. As she reads his reply the feds come knocking. Her house and backyard are quickly crawling with CSI crew while she tries to keep up making them coffees. The lead detective pushes her hard to spill the beans but they leave empty-handed. As another letter arrives from Rósa’s son she realizes he managed to help her, even behind bars.