  In this paper we completely solve the family of parametrised Thue equations
\[
  X(X-F_n Y)(X-2^n Y)-Y^3=\pm 1, \] where $F_n$ is the $n$-th Fibonacci number.
In particular, for any integer $n\geq 3$ the Thue equation has only the trivial
solutions $(\pm 1,0), (0,\mp 1), \mp(F_n,1), \mp(2^n,1)$.
