Deep in the virgin forests of south-western Venezuela, European Abel seeks refuge from war. Instead of peace and solitude in the 'green mansion', he encounters the wood nymph Rima, the last survivor of a mysterious aboriginal race. Abel is quickly captivated by her ethereal presence, and a love somewhere between reality and imagination blossoms between them. However, cruelty and sorrow lie in wait on the horizon, and the couple's romance is not fated to last forever.