Embodying the true story of Brian Wilson, an ambitious and creative founder of the Beach Boys, who after having mental disorder, his life turns upside down, as he becomes under the control of a therapist, who abuses him, but when he meets Melinda, everything changes, as she works on helping him getting rid of the abuse he receives.
When you consider all the ways that "Love & Mercy" could have gone terribly wrong, and how full of life it is in the end (and, yes, of love and mercy), I think the end product is almost miraculous.
We're shown so many symptoms that, regardless of which actor is playing the hero, there's little relief from the prevailing grimness, and less sense of a life in full.