Deep in a redwood forest lies a deadly secret that two sworn enemies—joined in an extraordinary mission—must uncover to survive.

Dan Young, a big city corporate attorney, and Maria Fischer, an environmental activist and attorney, are professional rivals whose disagreements have recently threatened to spill over into personal animosity. The philosophical rift between them is profound, but their adversarial relationship is turned upside down when Dan's client sends him on a bewildering mission—to hand-deliver $500,000 in cash to Maria Fischer.